1 files changed, 57 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Delete/BigInt/key-is-out-of-bounds-strict-strict.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Delete/BigInt/key-is-out-of-bounds-strict-strict.js
new file mode 100644
index 0000000000..8d67ba003f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/Delete/BigInt/key-is-out-of-bounds-strict-strict.js
@@ -0,0 +1,57 @@
+'use strict';
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-integer-indexed-exotic-objects-delete-p
+description: >
+  Return true if IsValidIntegerIndex(O, numericIndex) is false.
+info: |
+  [[Delete]] (P)
+
+  ...
+  Assert: IsPropertyKey(P) is true.
+  Assert: O is an Integer-Indexed exotic object.
+  If Type(P) is String, then
+    Let numericIndex be ! CanonicalNumericIndexString(P).
+    If numericIndex is not undefined, then
+      If IsDetachedBuffer(O.[[ViewedArrayBuffer]]) is true, return true.
+      If ! IsValidIntegerIndex(O, numericIndex) is false, return true.
+      Return false.
+        ...
+  Return ? OrdinaryDelete(O, P).
+
+flags: [onlyStrict]
+includes: [testBigIntTypedArray.js]
+features: [align-detached-buffer-semantics-with-web-reality, BigInt, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+  let proto = TypedArray.prototype;
+  let descriptorGetterThrows = {
+    configurable: true,
+    get() {
+      throw new Test262Error("OrdinaryGet was called!");
+    }
+  };
+  Object.defineProperties(proto, {
+    ["-1"]: descriptorGetterThrows,
+    ["1"]: descriptorGetterThrows,
+  });
+
+  let sample = new TA(1);
+  assert.sameValue(delete sample["-1"], true, 'The value of `delete sample["-1"]` is true');
+  assert.sameValue(delete sample[-1], true, 'The value of `delete sample[-1]` is true');
+
+  assert.throws(TypeError, () => {
+    delete sample["0"];
+  }, '`delete sample["0"]` throws TypeError');
+
+  assert.throws(TypeError, () => {
+    delete sample[0];
+  }, '`delete sample[0]` throws TypeError');
+
+  assert.sameValue(delete sample["1"], true, 'The value of `delete sample["1"]` is true');
+  assert.sameValue(delete sample[1], true, 'The value of `delete sample[1]` is true');
+});
+
+reportCompare(0, 0);